Myth busting 28: RCM is expensive

Many of you may be surprised to learn that Reliability Centered Maintenance (RCM) was actually developed with cost cutting in mind! Aircraft maintenance costs were huge. For example the Douglas DC-8-32 aircraft (a four engine narrow body jet liner built from 1958 to 1967 that carried 150 passengers) required upwards of 4,000,000 man hours of maintenance work for only 20,000 hours of flying time! (more…)

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Myth busting 27: RCM is only for new assets

Reliability Centered Maintenance (RCM) was developed in the airline industry to be used for developing maintenance programs for new aircraft. There’s no doubting it – originally RCM was intended for new designs and arguably where the results of failure could be catastrophic, specifically the loss of life and where costs of maintaining had grown ridiculously high. (more…)

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Myth Busting 25: We need engineers to do RCM

Myth Busting SeriesReliability Centered Maintenance (RCM) is method for determining the most appropriate failure and consequence management strategies. It deals with your physical assets in your current operating context. The first four questions in the RCM method, are defined in standard, SAE JA-1011, “Evaluation Criteria for Reliability Centered Maintenance (RCM) Processes.” They utilize the time proven engineering method, Failure Modes and Effects Analysis (FMEA). (more…)

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Myth busting 23: We need lots of failure data to do RCM

Reliability Centered Maintenance has been around since the 1970’s and it has proven to achieve amazing results wherever it has been used properly. As a reliability method, it guides decision making based on available evidence about past, and expected future, failures. It makes sense that failure data be part of that evidence. But do you need a lot of data?

A common mis-perception about RCM is that it requires a lot of data. (more…)

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Utility Asset Risk Management with RCM

Reliability is a key to successful risk management in any industry. It is particularly important in electrical utilities where the service must be “always on”. Failures can result in power outages and major disruptions to many customers, some of whom are providing critical services like hospitals, banks, stock exchange computers, traffic signals, mass public transit, and so on.  (more…)

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Myth busting 21: Are manufacturer’s warranties worth it?

Many believe strongly in the value of warranties on new / refurbished equipment. They go to great lengths talking about how important it is to do the manufacturer’s recommended maintenance to maintain validity of the warranty. This is a continuation of the last blog article on having too many failures despite following manufacturer’s recommendations. Manufacturer’s usually recommend maintenance and spare parts for their products. In our last blog we can see that those recommendations are often flawed. So what about their warranty? (more…)

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Myth Busting 20: We must follow manufacturer’s recommended maintenance

Manufacturers always publish recommended maintenance for users of their products. There are a few myths about this maintenance – one is that it will result in reliable operation of the equipment. In some cases it does, but in most, it does not. Why?

The myth is that the manufacturers always know best how to maintain their designs. Think about that for a minute. How many manufacturers actually use and maintain what they sell? (more…)

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Authors’ Note – RCM Re-engineered

RCM-R® goes beyond what RCM alone can do. The basic successful method as defined in SAE JA-1011 remains intact. RCM-R® enhances that method, linking it to international standards for risk management and adding a degree of technical rigor rarely seen outside of the military, nuclear and aircraft industries. It adds a great deal of emphasis on what it takes to implement the method successfully – not only as a project (as has so often been done with other RCM methods), but as a sustainable program, and on leveraging the analysis results to maximize value generation and align closely with the intentions and precepts of the new international standard for Asset Management, ISO 55001. (more…)

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